Three-quarters is a term used to express a ratio or proportion as it denotes a fraction that represents 75% of a whole. This phrase can also be substituted by alternative expressions or synonyms depending on the context it is being used. Some of the common and simple synonyms of three-quarters include the phrases "75 percent," "three out of four," "three-fourths," and "three to one." However, depending on the context, more specific or complex alternatives include "majority," "most part," "predominance," "bulk," "vast majority," or "three-fourths of the total." When writing or speaking, it is essential to use the appropriate synonym to convey your message accurately or to comply with a specific format or guideline.